165045125451560 has 16 divisors (see below), whose sum is σ = 371351532266100. Its totient is φ = 66018050180608.

The previous prime is 165045125451553. The next prime is 165045125451637. The reversal of 165045125451560 is 65154521540561.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 163602671607076 + 1442453844484 = 12790726^2 + 1201022^2 .

It is a junction number, because it is equal to n+sod(n) for n = 165045125451499 and 165045125451508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2063064068105 + ... + 2063064068184.

Almost surely, 2^{165045125451560} is an apocalyptic number.

165045125451560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165045125451560 is an abundant number, since it is smaller than the sum of its proper divisors (206306406814540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165045125451560 is a wasteful number, since it uses less digits than its factorization.

165045125451560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4126128136300 (or 4126128136296 counting only the distinct ones).

The product of its (nonzero) digits is 3600000, while the sum is 50.

The spelling of 165045125451560 in words is "one hundred sixty-five trillion, forty-five billion, one hundred twenty-five million, four hundred fifty-one thousand, five hundred sixty".